Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A full Blue Moon is coming this weekend — and despite the ...

Add Yahoo as a preferred source to see more of our stories on Google. May 31, 2026 at 4:43 a.m. ET brings us a rare Blue Moon—the second full Moon occurring within a single calendar month—making this ...

Turns out the phrase has way less to do with the moon and way more to do with a decades-old misunderstanding You’ve probably said “once in a blue moon” a thousand times in your life. Maybe to describe ...

Add Yahoo as a preferred source to see more of our stories on Google. An aircraft flies past the Waxing Gibbous Moon over Frankfurt am Main, western Germany on 30 April, 2026 on the eve of May full ...

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If you’ve glanced up at the night sky this week wondering whether there’s a full moon tonight, you’re not alone — but the real show is coming this week as a rare blue moon is set to peak. Here's when ...

An event that occurs once in a blue moon is coming up on the final day of May. The second full moon of the month will be on May 31 and is known as the blue moon. It follows a dazzling flower moon that ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. May ends with a rare calendar event — a second full moon in ...

Mark May 31, 2026, in your calendar because there will be a rare blue moon in Sagittarius. Blue moons occur when there's a second full moon toward the end of the month. This is an ultra-powerful ...

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The night sky this weekend is set aglow with this year's only full Blue Moon. Following the full Flower Moon on the first day of May, the 31st marks the completion of yet another lunar cycle and the ...

If you’ve glanced up at the night sky this week wondering whether there’s a full moon tonight, you’re not alone — but the real show is coming this week as a rare blue moon is set to peak. Here's when ...